cgal_5: 5.5 -> 5.5.1

stdenv.mkDerivation rec {

  pname = "cgal";

  version = "5.5";

  version = "5.5.1";

  src = fetchFromGitHub {

    owner = "CGAL";

    repo = "releases";

    rev = "CGAL-${version}";

    sha256 = "sha256-C576lYTQd6mgJPBqFRN3Ty6WYeXcXlDZ5sRtDwOuKSo=";

    sha256 = "sha256-ISmuxvCLb2ueG3FeBzJ7R+LievfXefG3ZQbyAboIv+A=";

  };

  # note: optional component libCGAL_ImageIO would need zlib and opengl;